Home / 2,268.48-3,130.80-1,336.96

Finding the Fourth Proportional to 2,268.48, 3,130.80 and 1,336.96

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Solution

The fourth proportional to 2,268.48, 3,130.80 and 1,336.96 is: 1,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.48 : 3,130.80 = 1,336.96 : x
  2. Step 2: Convert to fraction form
    2,268.48/3,130.80 = 1,336.96/x
  3. Step 3: Cross multiply
    2,268.48x = 3,130.80 × 1,336.96
  4. Step 4: Simplify right side
    2,268.48x = 4,185,754.37
  5. Step 5: Solve for x
    x = 4,185,754.37/2,268.48
  6. Step 6: Final answer
    x = 1,845.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.